This is my new favorite chart type, but even I kinda missed my own announcement of it, in yesterday's rush to feel more human(e) again. Proportion plots solve some tricky dataviz scenarios. Check em out. twitter.com/evergreendata/…
@Matt_Francis@flerlagekr Sankeys typically split into subsections/parts of a flow and this does not. This would compare, for example, your study sample to a gen pop sample and sankeys wouldn't be appropriate for that sort of scenario.